CONSTRUCTION OF OPERATIONAL AREA STORM WATER RCC DRAIN AND GRADING OF BASIC STRIP AT IMPHAL AIRPORT, IMPHAL (MANIPUR)

Amount

Earthwork in excavation in all kinds of soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimiming bottom and side slopes in accordance with requirements of lines, grades and cross sections and transporting to embankment location with all lifts and leads upto 1.0 km within airport premises as per satisfaction and direction of Engineer-In-Charge.

Supplying, filling, spreading & leveling gravels of size range 5 mm to 10 mm, beside both side of covered drain, over the backfill, in required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form for: Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form for: Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for : Suspended floors, roofs, landings, balconies and access platform

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. : All works upto plinth level: Concrete of M30 grade with minimum cement content of 350 kg /cum Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 1.10 times of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. : All works upto plinth level: Concrete of M35 grade with minimum cement content of 370 kg /cum Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 1.10 times of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.110 mm diameter

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work

Providing and fixing hard drawn steel wire fabric of size 75 x 25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants as approved by Engineer-in-charge.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality : EHD - 35 : Circular shape 560 mm internal dia

Construction of embankment with obtained earth from cutting and excavation at site in layers not exceeding 20cm (loose) in depth (or any thickness as approved by the Engineer-in-Charge in case vibratory roller / soil compactor is used) including breaking clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller /soil compactor of adequate capacity under optimum moisture content condition to give the maximum laboratory dry density(standard proctor density) as per table 300 - 2 of morth specifications complete including leveling fine dressing to the required grade, camber and slope complete as per MORTH specifications and direction of the Engineer-in-Charge (Payment to be made for compacted quantity only).

Construction of embankment with earth obtained from borrow pits/quarry with all lifts and lead upto 5.0 km transported to site spreading, grading to required slope in layers not exceeding 20cm in depth or any thickness as approved by the Engineer-in-Charge in case vibratory roller / soil compactor is used) including breaking clods, watering, consolidating each layer with power road roller 8-10 tonnes weight or vibratory roller /soil compactor of adequate capacity under optimum moisture content condition to give the maximum laboratory dry density(standard proctor density) as per table 300 - 2 of morth specifications complete including leveling fine dressing to the required grade, camber and slope complete as per MORTH specifications and direction of the Engineer-in-Charge (Payment to be made for compacted quantity only.) (Borrow pit/quarry shall be made available by AAI).

Carrying out Topographical and contour surveying, traversing, contouring & coordinating all permanent and semi-permanent feature by Total station survey instrument including mobilization and demobilization of the survey team after completion of survey work at Airport premises of operational area as per direction of the Engineer in-charge. The following steps shall be taken up: i. Carrying out site survey and taking reduced level on 3m x 3m grid. ii. Submission of sets of contour map in suitable scale and size with marking important landmarks- (3 (three) nos. coloured hard copies & 1 (one) soft copy. iii. Submission of level sheet in Excel format (Hard copy & soft copy) with quantity calculation for cutting & filling of earth required as per the gradient which shall be decided by the Engineer in charge as per DGCA-CAR (Civil Aviation Requirement) iv. Submission of Invert Level of RCC Storm water drain to be constructed and as per direction of Engineer-in-charge. v. The requisite all survey works for execution of earthwork, quantity work out for Running/Final Bill shall also be included in the scope of survey work.

BENDHA CONSTRUCTION COMPANY

Himalayan Infracorp Private Limited

AK SHIVHARE INFRASTRUCTURE PVT LTD

YASHNAND ENGINEERS AND CONTRACTORS PVT LTD

baijnath nirman india pvt ltd

Bhartia Infra Projects Ltd

SPG Infraprojects Private Limited

NSC Projects Pvt. Ltd.

Lekcon Infrastructure Pvt. ltd.

JPW INFRATECH PRIVATE LIMITED